The Promar Heavy duty vinyl coated steel frame with 3 tunnel entrances and an internal bait box. This trap also features a top access hatch so that you can easily remove your harvest. The pot is also pre rigged with cotton cord on the closure rigging to meet state regulations. Be sure to check with your local fishing regulations to ensure this pot will work for you. THIS TRAP IS NOT DESIGNED FOR EAST COAST BLUE CRAB.